I have a 270 Winchester. It is a newer gun, but still older, if that makes sense. (2000's or so?)

I can run factory loads through it, and I can get about 50 rounds before my barrel starts to heat up. With my reloads, I can get about 10-20 before my barrel is beyond too hot to touch.

Question is, will running too low of a charge, heat my barrel up quicker? My previous powder hopper would only allow me to run 43.5 grains, which is light for ANY grain.

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